WATCH: Dogs genetically engineered to prevent allergies

Matt Walker couldn't pet a dog without sneezing, until he and other scientists used a gene-editing technique to produce a hypoallergenic beagle named Bailey. Matt Walker couldn't pet a dog without sneezing, until he and other scientists used a gene-editing technique to produce a hypoallergenic beagle named Bailey. Read the full story on ABC News via the link below.